MovinCool CMW30 - Manual (Page 52)

52
TROUBLESHOOTING
Check the following conditions before calling your MovinCool reseller or a qualified
technician.
If conditions persist after the above remedies have been performed, turn off the
unit, disconnect the power, and contact your MovinCool reseller or a qualified
technician.
Condition Check Area Possible Cause Remedy
Unit
operates.
Insufficient
air volume
Filter Air filter is clogged. Clean or replace air filter.
Duct Leak or clog on the
duct connection
Repair duct connection.
Using longer duct
length or smaller
duct diameter than
recommended.
Change the duct to
proper size.
Fan Fan is locked. Remove any foreign
object causing fan lock.
Unit
does not
operate.
LCD
display
turns off.
1. Voltage Power failure Repair power supply.
Turn the circuit breaker
on.
2. Ground fault
breaker trip
Ground fault or
defective ground
fault.
Repair ground fault
section.
Reset or repair breaker.
3. Fuse Fuse is blown. Replace fuse on the
relay board.
4. Wall mounted
controller/
millivolt wall
thermostat
Incorrect connection Connect the wires
correctly. (See “Supplied
Wall Mounted Controller
Connection” on page 26
to 31 or “Field-Supplied
Millivolt Wall Thermostat
Connection” on page 31
to 33.)
DIP switch setting is
incorrect.
Correct DIP switch
setting. (See “DIP Switch
Configuration and
Setting” on page 24.)
5. Stop switch Stop switch is in the
STOP position.
Turn the stop switch to
the OPERATE position.